Recent content by Dimitri655

Hey guys! I'm a ME student starting my 3rd year and I am trying to come up with project ideas for next year. I was wondering if you could help me out. For the moment I was mostly interested in eco friendly/ sustainable projects but I'm not completely up to date on the subject so I'm not sure...

Hey guys! I'm a 3rd year student in Mechanical Engineering and I was considering doing a Master. I was wondering what are some of the current hot topics for research in the various fields of mechanical engineering? Thanks,

Hey guys! After watching another awesome video of minutephysics: I couldn't help but wonder, what is a dimension? Thanks for your replies in advance,

Oh man thanks a lot for this answer it actually helps! Now one last question guys; if someone were to ask me to define spacetime, would I be wrong telling them that there is an ambiguity in definitions between spacetime as a mathematical model and spacetime as the framework of the universe...

I thought so at first but I think its best to separate the framework because I don't think the mathematical model (space-time) can both be a model and the thing it is modeling. Tho that's just my opinion. This is also a pretty cool definition too.

Awesome! How about if I add this distinction: Lets assume that the universe has a framework and let's calls that framework Bob (because it would be a cool name for the fundamental structure of the universe). We make observations of small pieces of Bob, and mathematically model Bob as the...

Man that's beautifully framed! you blew my mind with the dynamic geometry part. So from this perspective space-time is a description of {shape, size, position} (related to space) and {events} (I think related to space and time) within a universe that has a property of being dynamic when it comes...

Oh I see so [in phinds opinion] space-time would be both a framework , that is: the essential supporting structure of the universe and our representation of it is done trough a mathematical model. Would that be correct? also, I like that quote! I've heard the first part but not the second part.

Thanks!

Awesome, thanks for the replies. So from what I understand now space-time is a mathematical model ( abstract structure) formed by space (3d) and time 1(d). The analogy of the piece of paper would be less good because it implies that it is a concrete thing that might be subjected to properties...

Hey you're reading taylor too! Thanks for the answer btw I was actually curious about that rule too.

Hey guys, I'm Dimitri and I'm new to the forum. I'm starting to develop a passion in physics so I came here to feed my curiosity! Currently doing a mechanical engineering degree but considering doing an honours in mathematics as well. Thanks, D.

Hi guys, I was wondering if anybody could help me understand the concept of spacetime. My physics knowledge is quite limited but so far what I have gathered is: Spacetime is like a piece of paper (assuming it is 2d) but instead of width and length it has space on one axis and time on another...